/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/Render/PostProcess/IDisplayClusterPostProcess.h
Called each time a new frame begin
virtual void HandleBeginNewFrame ( [IDisplayClusterViewportManager](API\Plugins\DisplayCluster\Render\Viewport\IDisplayClusterViewportManager) * InViewportManager, [FDisplayClusterRenderFrame](API\Plugins\DisplayCluster\Render\Viewport\RenderFrame\FDisplayClusterRenderFrame) & InOutRenderFrame )